IANA registrations of SDP 'proto' attribute for transporting RTP Media over TCP under various RTP profiles.

Document Type Replaced Internet-Draft (individual)
Last updated 2015-05-02
Replaced by draft-ietf-mmusic-proto-iana-registration
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Expired & archived
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


RTP provides end-to-end network transport functions suitable for applications transmitting real-time data such as audio, video or simulation data, over multicast or unicast network services. The data transport is augmented by a control protocol (RTCP) to allow monitoring of the data delivery in a manner scalable to large multicast networks, and to provide minimal control and identification functionality. The RTP specification [RFC3550] establishes a registry of profile names for use by higher-level control protocols, such as the SDP, to refer to the transport methods. This specification describes the following new SDP transport protocol identifiers for transporting RTP Media over TCP: 'TCP/RTP/AVPF', 'TCP/RTP/SAVP', 'TCP/RTP/SAVPF', 'TCP/DTLS/RTP/SAVP', 'TCP/DTLS/RTP/SAVPF', 'TCP/TLS/RTP/AVP', 'TCP/TLS/RTP/AVPF'.


Suhas Nandakumar (snandaku@cisco.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)